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    SubjectRe: [BUG 2.6.31-rc1] HIGHMEM64G causes hang in PCI init on 32-bit x86
    H. Peter Anvin writes:
    > Can you send me /proc/cpuinfo and /proc/iomem from this box?

    This is from 2.6.31-rc1 with the commit commented out.

    processor : 0
    vendor_id : GenuineIntel
    cpu family : 6
    model : 15
    model name : Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz
    stepping : 6
    cpu MHz : 1596.000
    cache size : 4096 KB
    physical id : 0
    siblings : 2
    core id : 0
    cpu cores : 2
    apicid : 0
    initial apicid : 0
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 10
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow
    bogomips : 4799.81
    clflush size : 64
    power management:

    processor : 1
    vendor_id : GenuineIntel
    cpu family : 6
    model : 15
    model name : Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz
    stepping : 6
    cpu MHz : 1596.000
    cache size : 4096 KB
    physical id : 0
    siblings : 2
    core id : 1
    cpu cores : 2
    apicid : 1
    initial apicid : 1
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 10
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow
    bogomips : 4800.01
    clflush size : 64
    power management:

    00000000-0009ebff : System RAM
    0009ec00-0009ffff : reserved
    000a0000-000bffff : Video RAM area
    000c0000-000c7fff : Video ROM
    000e4000-000fffff : reserved
    000f0000-000fffff : System ROM
    00100000-7ff8ffff : System RAM
    00100000-002e022e : Kernel code
    002e022f-0038baf7 : Kernel data
    003d8000-003fc9f3 : Kernel bss
    7ff90000-7ff9dfff : ACPI Tables
    7ff9e000-7ffdffff : ACPI Non-volatile Storage
    7ffe0000-7fffffff : reserved
    80000000-800000ff : 0000:00:1f.3
    bff00000-dfefffff : PCI Bus 0000:01
    c0000000-cfffffff : 0000:01:00.0
    e0000000-efffffff : PCI MMCONFIG 0 [00-ff]
    e0000000-efffffff : pnp 00:0e
    febfe000-febfec00 : pnp 00:09
    fec00000-fec00fff : IOAPIC 0
    fec00000-fec00fff : pnp 00:0b
    fed00000-fed003ff : HPET 0
    fed14000-fed19fff : pnp 00:01
    fed1c000-fed1ffff : pnp 00:09
    fed20000-fed8ffff : pnp 00:09
    fee00000-fee00fff : Local APIC
    fee00000-fee00fff : reserved
    fee00000-fee00fff : pnp 00:0b
    ff800000-ff8fffff : PCI Bus 0000:01
    ff8c0000-ff8dffff : 0000:01:00.0
    ff8e0000-ff8effff : 0000:01:00.1
    ff8f0000-ff8fffff : 0000:01:00.0
    ff900000-ff9fffff : PCI Bus 0000:02
    ff9ffc00-ff9ffcff : 0000:02:02.0
    ff9ffc00-ff9ffcff : 8139too
    ffaf8000-ffafbfff : 0000:00:1b.0
    ffaf8000-ffafbfff : ICH HD audio
    ffaff000-ffaff3ff : 0000:00:1d.7
    ffaff000-ffaff3ff : ehci_hcd
    ffaff400-ffaff7ff : 0000:00:1a.7
    ffaff400-ffaff7ff : ehci_hcd
    ffaff800-ffafffff : 0000:00:1f.2
    ffaff800-ffafffff : ahci
    ffb00000-ffffffff : reserved
    ffb00000-ffbfffff : pnp 00:09
    fff00000-fffffffe : pnp 00:09
    100000000-1ffffffff : System RAM
    200000000-ffffffffffffffff : RAM buffer

    With 2.6.30 things look similar, except 2.6.30 does not show the
    last "200000000-ffffffffffffffff : RAM buffer" line.


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